Efficacy and Safety of Scalp Acupuncture for Insomnia: A Systematic Review and Meta-Analysis.

Objective: To systematically evaluate the efficacy and safety of scalp acupuncture in the treatment of insomnia.

Methods: CNKI, Wanfang database, CQVIP database, CBM, Web of Science, Cochrane Library, and PubMed were searched for the literature on the treatment of insomnia by scalp acupuncture from the establishment of the database to July 23, 2020. Two researchers independently screened the literatures and extracted the data, then evaluated the quality of the literatures, and used RevMan 5.